This is considered among the most important symbols in a Masonic Lodge. The author investigates the origin of these two names and gives the reader an in-depth analysis of the history and profound symbolism of the Words and Pillars themselves. Drawing on both Masonic and Hebraic sources, the author elucidates on the Fellow Craft's "Middle Chamber lecture." Initially prepared for the public, this work unfolds the arcana and is of especial significance and interest to the true Mason. Several passages are now deciphered for the first time, making this edition the most complete ever offered.